C72700 Copper-nickel vs. C15000 Copper
Both C72700 copper-nickel and C15000 copper are copper alloys. They have 84% of their average alloy composition in common.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is C15000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 4.0 to 36 | |
| 13 to 54 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 44 | |
| 43 |
| Shear Strength, MPa | 310 to 620 | |
| 150 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 200 to 460 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 45 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 200 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1080 |
| Melting Onset (Solidus), °C | 930 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 54 | |
| 370 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 93 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 93 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 31 |
| Density, g/cm3 | 8.8 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 2.7 |
| Embodied Energy, MJ/kg | 62 | |
| 43 |
| Embodied Water, L/kg | 350 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 19 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 8.7 to 910 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 6.2 to 14 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 8.5 to 15 |
| Thermal Diffusivity, mm2/s | 16 | |
| 110 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 7.3 to 17 |
Alloy Composition
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| Copper (Cu), % | 82.1 to 86 | |
| 99.8 to 99.9 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.1 to 0.2 |
| Residuals, % | 0 to 0.3 | |
| 0 |